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Unit E Midpoint Review

Total questions: 70

Worksheet time: 2hrs 47mins

Name
Class
Date
1.

What is this graph showing?

a)

Gradually slowing down

b)

Gradually speeding up

c)

Constant speed

d)

Stopped

2.

What is this graph showing?

a)

At rest

b)

Acceleration

c)

Constant speed of 1 m/s

d)

Gradually speeding up

3.

What is this graph showing?

a)

Constant speed

b)

Gradually speeding up

c)

Gradually slowing down

d)

At rest

4.
a)

Accelerating gradually

b)

Stopping

c)

Slowing down constantly

d)

Speeding up constantly

5.

What is this graph showing?

a)

Constantly slowing down

b)

Constantly speeding up

c)

Acceleration

d)

Returning to starting point

6.

What is this graph showing?

a)

Two objects speeding up constantly

b)

Two objects slowing down constantly

c)

Two objects accelerating

d)

Two objects at rest

7.

What is this graph showing?

a)

Fast constant speed

b)

Slow constant speed

c)

Accelerating

d)

At rest

8.

What is the graph showing?

a)

Slowing down moving toward start

b)

Speeding up moving toward start

c)

Slowing down moving away from start

d)

Speed up moving away from start

9.

What is the graph showing?

a)

Constant speed towards start

b)

Constant speed away from start

c)

Acceleration away from start

d)

Acceleration towards start

10.
a)

Slows down toward start

b)

Slows down away from start

c)

Speeds up while toward start

d)

Speeds up away from start

11.
a)

Slows down toward start

b)

Slows down away from start

c)

Speeds up while toward start

d)

Speeds up away from start

12.

What is the graph showing?

a)

Constant speed away from start

b)

Constant speed toward start

c)

Accelerating away from start

d)

Stopped toward start

13.

What is the graph showing?

a)

Constant high speed

b)

Stopped

c)

Accelerating

d)

Constant low speed

14.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
15.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
16.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
17.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
18.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
19.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
20.
The mass of a car is 1000 kg.  How much force would be required to accelerate the car at a rate of 3 m/s2? 
a)
1000 ÷ 3
b)
3 ÷ 1000
c)
1000 x 3
21.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2.  What is the mass of the object? To solve this problem you must do - 
a)
250 ÷ 5
b)
5 ÷ 250
c)
250 x 5
22.
A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object. To solve this problem you must do - 
a)
32 ÷ 5
b)
5 ÷ 32
c)
32 x 5
23.
A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s2. What is the mass of the skier? To solve this problem you must do - 
a)
132 ÷ 2
b)
2 ÷ 132
c)
132 x 2
24.
The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?
a)
Object 1
b)
Object 2
c)
Object 3
d)
Object 4
25.
Examine the table provided. Which of the objects is producing the greatest force?
a)
Soccer Ball
b)
Tennis Ball
c)
Marble
d)
Ping-Pong Ball
26.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
27.

Some skateboarders use a structure called a half-pipe, like the one shown, to perform impressive tricks. Which of the positions will provide a skateboarder with the GREATEST potential energy?

a)

1

b)

2

c)

3

d)

4

28.

Some skateboarders use a structure called a half-pipe, like the one shown, to perform impressive tricks. Which of the positions will provide a skateboarder with the GREATEST kinetic energy?

a)

1

b)

2

c)

3

d)

4

29.

Mechanical energy is the sum of two types of energy—kinetic energy and potential energy of position. Which of the following is an example of an object that has kinetic energy?

a)

a snail crawling across a leaf

b)

a computer monitor sitting on a desk

c)

a tightly wound spring in a windup toy

d)

a roller coaster car just before it goes downhill

30.

Mechanical energy is the sum of two types of energy—kinetic energy and potential energy of position. Which of the following is an example of an object that has potential energy?

a)

a snail crawling across a leaf

b)

a computer monitor sitting on a desk

c)

a jumping windup toy

d)

a roller coaster car going downhill

31.

The table shows the speed and height over time of a ball that starts at rest, then is dropped from the top of a building, which is 60 meters (m) tall. Use the table to answer any questions that follow.


At which time is the ball's potential energy at its maximum?

a)

0.0 s

b)

0.5 s

c)

2.0 s

d)

2.5 s

32.

The diagram illustrates four phases of a model rocket's flight. Use the diagram to answer any questions that follow.


When is the rocket's potential energy decreasing and its kinetic energy increasing?

a)

when the rocket's motor is burning and when the rocket is free falling

b)

when the rocket's motor is burning and when the rocket is ascending

c)

when the rocket is at the peak of flight, only

d)

when the rocket is free falling, only

33.

The diagram illustrates four phases of a model rocket's flight. Use the diagram to answer any questions that follow.


When is the rocket's potential energy increasing and its kinetic energy decreasing?

a)

when the rocket's motor is burning and when the rocket is free falling

b)

when the rocket's motor is burning and when the rocket is ascending

c)

when the rocket is at the peak of flight, only

d)

when the rocket is free falling, only

34.

The table shows the speed and height over time of a ball that starts at rest, then is dropped from the top of a building, which is 60 meters (m) tall. Use the table to answer any questions that follow.


What is happening to the ball's energy at a time of 1.5 seconds?

a)

The ball's kinetic energy is decreasing and its potential energy is decreasing

b)

The ball's kinetic energy is increasing and its potential energy is decreasing

c)

The ball's kinetic energy is decreasing and its potential energy is increasing

d)

The ball's kinetic energy is increasing and its potential energy is increasing

35.

The picture shows the path of a ball on a track. Use the picture to answer any questions that follow. Which series shows decreasing potential energy and increasing kinetic energy?

a)

T, Y, Z

b)

W, X, Y

c)

S, T, U

d)

V, X, Z

36.

The picture shows the path of a ball on a track. Use the picture to answer any questions that follow. Which series shows decreasing kinetic energy and increasing potential energy?

a)

T, Y, Z

b)

W, X, Y

c)

S, T, U

d)

V, X, Z

37.

1. Damon made the graph below to compare the speed limits on four different roads in his county. He converted the speed limits from miles per hour to miles per minute to get a closer comparison. Which road has the slowest speed limit?

a)

Road A

b)

Road B

c)

Road C

d)

Road D

38.

The graph shows the distance the object traveled from its starting point in 5 seconds. How would the graph look of the object were moving at a slower speed?

a)

The line would be steeper.

b)

The line would be less steep.

c)

The line would remain the same.

d)

The line would be curved like an upside down ‘U’.

39.
Speed is equal to 
a)
Distance/Time
b)
Time/Distance
c)
Time x Distance
d)
Acceleration
40.
A person walked 10 miles.  It took them 2 hours.  How fast were they walking?
a)
8 mph
b)
5 mph
c)
2 mph
d)
10 mph
41.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
42.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
43.
What do you think the cyclist is doing between 11am and 1pm?
a)
The cyclist has stopped for lunch
b)
The cyclists is riding at a constant speed on flat ground
c)
The cyclist is practicing sprints
d)
The cyclist is riding up a hill
44.

1. Gordon is making a list of forces for his science class. Which of the following should Gordon not list as a force?

a)

Gravity

b)

Friction

c)

Push or Pull

d)

Mass

45.

1. The ball in the diagram below is thrown up into the air and follows the path shown. What causes the ball to follow the path beyond Point B?

a)

Power

b)

Gravity

c)

Electrical Charge

d)

Magnetic Attraction

46.

1. Luis rubbed a balloon on his hair and held the balloon next to the wall. He observed the balloon stick to the wall. Which of the following is responsible for the balloon sticking to the wall?

a)

Gravity

b)

Friction

c)

Magnetic Force

d)

Electrical Force

47.

1. Forces that act at a distance include electrical force and gravitational force. What other type of force acts at a distance?

a)

Friction

b)

Contact Force

c)

Magnetic Force

d)

Conduction

48.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a  failing grade 
49.
What is the force that causes objects to fall to Earth?
a)
Air resistance
b)
Gravity
c)
Water resistance
d)
Pressure
50.
The north pole of one magnet will be attracted to the __________ pole of another magnet.
a)
east
b)
north
c)
south
d)
west
51.

When placed at equal distances apart, the greatest gravitational attraction will be between two

a)

skateboards

b)

bowling balls

c)

school buses

52.

Which is needed to determine the amount of gravitational force between two objects?

a)

distance and mass

b)

weight and time

c)

area and weight

53.

The gravitational force exerted by an object depends on its

a)

volume

b)

mass

c)

weight

54.
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
a)
more
b)
same
c)
dosen't matter
d)
less
55.

Cindy decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move.

What force was Cindy NOT able to overcome?

a)

electrical force

b)

magnetic force

c)

balanced force

d)

frictional force

56.

A contact force is from

a)

objects physically touching

b)

far apart objects

c)

not touching object

d)

always a pull

57.

A non-contact force is between

a)

two objects that aren't touching

b)

two objects that are touching

c)

the ground and wheels

d)

you and me

58.

The three examples pictured are of

a)

Non-contact Forces

b)

Contact Forces

59.

Which runner has the fastest constant speed?

a)

A

b)

B

c)

C

d)

Not enough information to tell

60.

Which runner has the slowest constant speed?

a)

A

b)

B

c)

C

d)

Not enough information to tell

61.

Using the table, which graph shows Emanuel's bike trip?

a)
b)
c)
d)
62.

How long is the object returning to start?

a)

2 seconds

b)

3 seconds

c)

5 seconds

d)

8 seconds

63.
What is a factor, usually being measured or observed, that responds to, or depends on, another factor.
a)
Independent Variable
b)
Dependent Variable
c)
Controlled Variable
d)
Hypothesis
64.
What is the reproduction of a scientific investigation by another person to ensure accuracy.
a)
Replication
b)
Repetition
65.
What are making multiple sets (trials) of measurements or observations in a scientific investigation.
a)
Repetition
b)
Replication
66.
We tested the effect of water temperature on how fast a sugar cube dissolves. What was the independent variable?
a)
Time to Dissolve
b)
Amount of Water
c)
Water Temperature
d)
Beaker Size
67.
We tested the effect of water temperature on how fast a sugar cube dissolves. What was the dependent variable?
a)
Amount of Water
b)
Temperature of Water
c)
Time for Sugar cube to Dissolve
d)
Type of Beaker
68.
Why did each group test the amount of drops of water a penny could hold before changing their variable?
a)
It provides more data to include in a lab report
b)
It ensures that the hypothesis will be correct
c)
It adds an independent variable to the experiment.
d)
It is the control and serves as the basis for comparison
69.
We tested the effect of water temperature on how fast a sugar cube dissolves. What was NOT a controlled variable?
a)
Size of Sugar Cube
b)
Temperature of Water
c)
Size of Beaker
d)
Amount of Water
70.
How many variables should be changed in an experiment?
a)
ONE
b)
TWENTY
c)
THREE
d)
TEN

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